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Explore Shovelhead 1966, Harleydavidson, and more!

Classic/Iconic Harley Davidson Panhead Chopper Motorcycle Engine (photo credit: Gordon Calder)

The Historic Timeline of Big Twin Motors

The "F-head" engine becomes a workhorse of the Harley-Davidson motorcycle until 1929. | Harley-Davidson 1911

'66 Shovelhead cutaway motor print

Harley-Davidson Engine Timeline. The 1st four engines were in alphabetical order, that's how I remember. Flathead, Knucklehead, Panhead, Shovelhead.

knucklehead vs panhead vs shovelhead . . .